/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
  background-color: #f8f9fa;
}

/* 容器样式 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 标题样式 */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1fa1ff;
  text-align: center;
  margin-bottom: 1rem;
  display: block;
}

.section-title-line {
  color: #1fa1ff;
  margin-right: 0.5rem;
  font-weight: bold;
}

.section-intro {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* 顶部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 1.6rem;
  font-weight: bold;
  color: #1fa1ff;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  font-size: 1.1rem;
}

.nav-link:hover {
  color: #1fa1ff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* 移动端菜单 */
.menu-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border-radius: 8px;
  background: rgba(31, 161, 255, 0.1);
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  background: rgba(31, 161, 255, 0.2);
}

.bar {
  width: 28px;
  height: 3px;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* 英雄区域 */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/back.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.85) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at center top, rgba(31, 161, 255, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at center bottom, rgba(0, 80, 150, 0.2) 0%, transparent 50%),
    linear-gradient(180deg, rgba(0, 15, 30, 0.45) 0%, rgba(0, 10, 20, 0.35) 50%, rgba(0, 15, 30, 0.5) 100%);
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(31, 161, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 161, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(31, 161, 255, 0.12) 0%, transparent 60%);
}

.hero-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-line {
  position: absolute;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(31, 161, 255, 0.1) 50%, transparent 100%);
  animation: lineMove 8s ease-in-out infinite;
}

.hero-line:nth-child(1) {
  left: 15%;
  animation-delay: 0s;
}

.hero-line:nth-child(2) {
  left: 25%;
  animation-delay: 2s;
}

.hero-line:nth-child(3) {
  left: 35%;
  animation-delay: 4s;
}

.hero-line:nth-child(4) {
  left: 65%;
  animation-delay: 1s;
}

.hero-line:nth-child(5) {
  left: 75%;
  animation-delay: 3s;
}

.hero-line:nth-child(6) {
  left: 85%;
  animation-delay: 5s;
}

@keyframes lineMove {

  0%,
  100% {
    transform: translateY(-100%);
    opacity: 0;
  }

  10%,
  90% {
    opacity: 0.5;
  }

  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 0 20px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-icon {
  margin-bottom: 2rem;
  animation: fadeIn 1s ease-out 0.2s both;
}

.tech-icon {
  width: 80px;
  height: 80px;
  animation: rotateSlow 20s linear infinite;
}

@keyframes rotateSlow {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.hero-title {
  font-size: 4.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #ffffff;
  text-shadow:
    0 0 30px rgba(31, 161, 255, 0.6),
    0 0 60px rgba(31, 161, 255, 0.3),
    0 4px 15px rgba(0, 0, 0, 0.5),
    inset 0 0 30px rgba(31, 161, 255, 0.1);
  letter-spacing: 6px;
  animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: #c8e8ff;
  text-shadow:
    0 0 15px rgba(31, 161, 255, 0.5),
    0 2px 8px rgba(0, 0, 0, 0.4);
  letter-spacing: 12px;
  font-weight: 300;
  opacity: 0.9;
  animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.hero-tagline {
  font-size: 1.3rem;
  margin-bottom: 3rem;
  color: #e0e0e0;
  letter-spacing: 2px;
  animation: fadeIn 1s ease-out 0.4s both;
}

.hero-info {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 3rem;
  animation: fadeIn 1s ease-out 0.6s both;
}

.hero-info-item {
  text-align: center;
}

.hero-year,
.hero-stat {
  font-size: 2.5rem;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  background: linear-gradient(135deg, #fff 0%, #1fa1ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-year-label,
.hero-stat-label {
  font-size: 0.9rem;
  color: #94d4ff;
  margin-top: 0.5rem;
  display: block;
}

.hero-info-divider {
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(31, 161, 255, 0.5), transparent);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 2rem;
  animation: fadeIn 1s ease-out 0.8s both;
}

.hero-btn {
  padding: 1rem 3rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.4s ease;
  display: inline-block;
}

.hero-btn.primary {
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  box-shadow: 0 6px 30px rgba(31, 161, 255, 0.4);
}

.hero-btn.primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(31, 161, 255, 0.6);
}

.hero-btn.secondary {
  background: transparent;
  color: #1fa1ff;
  border: 2px solid rgba(31, 161, 255, 0.6);
}

.hero-btn.secondary:hover {
  background: rgba(31, 161, 255, 0.1);
  border-color: #1fa1ff;
  transform: translateY(-5px);
}

/* 企业简介Logo样式 */
.intro-header {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.section-logo {
  width: 105px;
  height: 70px;
  object-fit: contain;
}

/* 卡片Logo样式 */
.card-logo {
  width: 105px;
  height: 70px;
  object-fit: contain;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-text {
  font-size: 0.9rem;
  color: #94d4ff;
  margin-bottom: 10px;
  display: block;
}

.scroll-arrow {
  width: 20px;
  height: 30px;
  border: 2px solid rgba(31, 161, 255, 0.6);
  border-radius: 10px;
  margin: 0 auto;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #1fa1ff;
  border-radius: 2px;
  animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }

  100% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
  }
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* 企业简介 */
.intro {
  padding: 10rem 0;
  background: #f8f9fa;
  position: relative;
  overflow: hidden;
}

.intro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.08) 0%, rgba(0, 0, 0, 0.03) 100%);
  z-index: 1;
}

.intro-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.intro-text-wrapper {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(31, 161, 255, 0.1);
}

.intro-text {
  font-size: 1.15rem;
  line-height: 2;
  color: #555;
  margin-bottom: 2rem;
  text-align: justify;
}

.intro-highlights {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #1fa1ff;
  font-weight: 500;
}

.highlight-icon {
  width: 24px;
  height: 24px;
  color: #1fa1ff;
}

.intro-visual {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.intro-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(31, 161, 255, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.intro-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.card-icon {
  width: 105px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-card h4 {
  font-size: 1.2rem;
  color: #1fa1ff;
  margin-bottom: 0.8rem;
}

.intro-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
}

.intro-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 5rem;
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  border-top: 1px solid rgba(31, 161, 255, 0.1);
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(31, 161, 255, 0.1);
  transition: all 0.4s ease;
}

.feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.95);
}

.feature-illustration {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.feature-item h4 {
  font-size: 1.3rem;
  color: #1fa1ff;
  margin-bottom: 1rem;
  font-weight: bold;
}

.feature-item p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
}

/* 业务全景 */
.business {
  padding: 10rem 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.business::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.08) 0%, rgba(0, 0, 0, 0.03) 100%);
  z-index: 1;
}

.subsection-title {
  font-size: 1.6rem;
  font-weight: bold;
  color: #1fa1ff;
  margin-bottom: 2rem;
  text-align: center;
}

.business-section {
  margin-bottom: 4rem;
  padding: 2.5rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.product-intro {
  text-align: center;
  margin-bottom: 2.5rem;
}

.product-title {
  font-size: 1.4rem;
  color: #333;
  margin-bottom: 1rem;
  font-weight: 600;
}

.product-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
}

.section-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #666;
  margin-bottom: 3.5rem;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.product-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.architecture-box {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
  padding: 0;
  background: linear-gradient(180deg, rgba(31, 161, 255, 0.08) 0%, rgba(31, 161, 255, 0.02) 100%);
  border-radius: 16px;
  overflow: hidden;
}

.arch-layer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
  padding: 2rem;
  background: transparent;
  border-bottom: 2px dashed rgba(31, 161, 255, 0.2);
}

.arch-layer:last-child {
  border-bottom: none;
}

.arch-layer-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1fa1ff;
  letter-spacing: 1px;
}

.arch-layer-items {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.arch-item {
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.15) 0%, rgba(31, 161, 255, 0.05) 100%);
  border-radius: 24px;
  font-size: 1rem;
  color: #1a5a96;
  font-weight: 500;
  border: 1px solid rgba(31, 161, 255, 0.2);
}

.arch-arrow {
  color: #1fa1ff;
  opacity: 0.6;
  font-size: 1.5rem;
  padding: 0.5rem 0;
}

.comparison-box {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.comp-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  padding: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.comp-header {
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  font-weight: 600;
}

.comp-cell {
  padding: 0.8rem;
  text-align: center;
}

.comp-highlight {
  background: rgba(31, 161, 255, 0.2);
  color: #0052a3;
  font-weight: 700;
}

.metrics-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.metric-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.metric-circle {
  position: relative;
  width: 100px;
  height: 100px;
}

.metric-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.4rem;
  font-weight: bold;
  color: #1fa1ff;
}

.metric-name {
  font-size: 1rem;
  color: #666;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.value-card {
  background: #fff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.value-num {
  font-size: 2.5rem;
  font-weight: bold;
  color: rgba(31, 161, 255, 0.15);
  margin-bottom: 0.5rem;
}

.value-card h4 {
  font-size: 1.2rem;
  color: #333;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.value-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.7;
}

.summary-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.08) 0%, rgba(0, 113, 193, 0.05) 100%);
  padding: 2.5rem;
  border-radius: 16px;
  margin-top: 1rem;
  text-align: center;
}

.strategy-summary {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.summary-icon {
  width: 64px;
  height: 64px;
  color: #1fa1ff;
  flex-shrink: 0;
}

.summary-text h4 {
  font-size: 1.3rem;
  color: #1fa1ff;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.summary-text p {
  font-size: 1rem;
  color: #666;
  line-height: 1.7;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.case-card {
  background: #fff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  text-align: center;
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.case-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
}

.case-card h4 {
  font-size: 1.15rem;
  color: #333;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.case-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.case-tags {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tag {
  padding: 0.4rem 1rem;
  background: rgba(31, 161, 255, 0.08);
  color: #1fa1ff;
  border-radius: 20px;
  font-size: 0.85rem;
}

.feature-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
  text-align: left;
}

.feature-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: rgba(31, 161, 255, 0.2);
}

.feature-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 0.8rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon.blue {
  background: rgba(31, 161, 255, 0.08);
  color: #1fa1ff;
}

.feature-icon.green {
  background: rgba(0, 200, 100, 0.08);
  color: #00c864;
}

.feature-icon.purple {
  background: rgba(131, 96, 195, 0.08);
  color: #8360c3;
}

.feature-icon.orange {
  background: rgba(255, 152, 0, 0.08);
  color: #ff9800;
}

.feature-card h4 {
  font-size: 1.05rem;
  color: #333;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.feature-card p {
  font-size: 0.9rem;
  color: #888;
  line-height: 1.6;
}

.tech-comparison {
  background: rgba(31, 161, 255, 0.05);
  padding: 2rem;
  border-radius: 16px;
  margin-top: 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  padding: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.comparison-row.header {
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  font-weight: bold;
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-cell {
  padding: 0.8rem;
  text-align: center;
}

.comparison-cell.highlight {
  background: rgba(31, 161, 255, 0.1);
  color: #1fa1ff;
  font-weight: bold;
}

.product-visualization {
  margin-top: 4rem;
}

.viz-section {
  margin-bottom: 4rem;
}

.viz-section:last-child {
  margin-bottom: 0;
}

.subsection-title {
  font-size: 1.5rem;
  color: #1fa1ff;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: bold;
}

.architecture-diagram {
  background: rgba(31, 161, 255, 0.05);
  border-radius: 20px;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.architecture-layer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.layer-title {
  font-size: 0.9rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.layer-content {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.node {
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.1) 0%, rgba(0, 113, 193, 0.05) 100%);
  padding: 1rem 2rem;
  border-radius: 12px;
  color: #1fa1ff;
  font-weight: 500;
  border: 1px solid rgba(31, 161, 255, 0.2);
  transition: all 0.3s ease;
}

.node:hover {
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.2) 0%, rgba(0, 113, 193, 0.1) 100%);
  transform: translateY(-3px);
}

.performance-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 3rem;
  justify-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.metric-item {
  text-align: center;
}

.metric-ring {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 1rem;
}

.metric-ring svg {
  width: 100%;
  height: 100%;
}

.metric-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  font-weight: bold;
  color: #1fa1ff;
}

.metric-label {
  font-size: 0.9rem;
  color: #666;
}

/* 战略价值 */
.value-content {
  max-width: 1200px;
  margin: 0 auto;
}

.value-main {
  text-align: center;
  margin-bottom: 4rem;
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.value-card {
  background: rgba(255, 255, 255, 0.95);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(31, 161, 255, 0.1);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.value-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 4rem;
  font-weight: bold;
  color: rgba(31, 161, 255, 0.1);
}

.value-card h4 {
  font-size: 1.3rem;
  color: #1fa1ff;
  margin-bottom: 1rem;
}

.value-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.8;
}

.value-summary {
  text-align: center;
}

.summary-box {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.1) 0%, rgba(0, 113, 193, 0.05) 100%);
  padding: 2.5rem 4rem;
  border-radius: 20px;
  border: 1px solid rgba(31, 161, 255, 0.2);
}

.summary-icon {
  width: 64px;
  height: 64px;
  color: #1fa1ff;
}

.summary-content h4 {
  font-size: 1.5rem;
  color: #1fa1ff;
  margin-bottom: 0.5rem;
}

.summary-content p {
  font-size: 1rem;
  color: #666;
  max-width: 500px;
}

/* 应用案例 */
.cases-content {
  max-width: 1200px;
  margin: 0 auto;
}

.cases-main {
  text-align: center;
  margin-bottom: 4rem;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.case-card {
  background: rgba(255, 255, 255, 0.95);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(31, 161, 255, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.case-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.case-card h4 {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 1rem;
}

.case-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.case-tags {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.tag {
  padding: 0.5rem 1.2rem;
  background: rgba(31, 161, 255, 0.1);
  color: #1fa1ff;
  border-radius: 20px;
  font-size: 0.85rem;
}

/* 服务领域 */
.services {
  padding: 10rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 50%, #f0f4f8 100%);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(31, 161, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 50%);
  z-index: 1;
}

.services::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(31, 161, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 161, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  position: relative;
  z-index: 2;
}

.service-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 248, 255, 0.9) 100%);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  overflow: hidden;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(31, 161, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(31, 161, 255, 0.1);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.15),
    0 0 40px rgba(31, 161, 255, 0.15);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 1.5rem auto 1.5rem;
}

.service-card-inner {
  padding: 2.5rem;
}

.service-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1fa1ff;
  margin-bottom: 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-content {
  text-align: left;
}

.service-subtitle {
  font-size: 1.1rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.service-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 1.5rem;
}

.service-list {
  list-style: none;
  padding-left: 0;
}

.service-list li {
  margin-bottom: 0.8rem;
  color: #555;
  padding-left: 1.8rem;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.6;
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #fff;
  font-weight: bold;
  font-size: 0.8rem;
  background: #1fa1ff;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.services-showcase {
  margin-top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  border-top: 1px solid rgba(31, 161, 255, 0.1);
}

.showcase-item {
  display: flex;
  align-items: center;
  gap: 3rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid rgba(31, 161, 255, 0.1);
  transition: all 0.3s ease;
}

.showcase-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.showcase-item:nth-child(even) {
  flex-direction: row-reverse;
}

.showcase-illustration {
  width: 150px;
  height: 120px;
  flex-shrink: 0;
}

.showcase-content {
  flex: 1;
}

.showcase-content h4 {
  font-size: 1.4rem;
  color: #1fa1ff;
  margin-bottom: 1rem;
  font-weight: bold;
}

.showcase-content p {
  font-size: 1rem;
  color: #666;
  line-height: 1.7;
}

/* 联系我们 */
.contact {
  padding: 10rem 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.08) 0%, rgba(0, 0, 0, 0.03) 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  position: relative;
  z-index: 2;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(31, 161, 255, 0.1);
  border: 1px solid rgba(31, 161, 255, 0.1);
}

.contact-details {
  margin-top: 2.5rem;
}

.contact-item {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 2rem;
  align-items: center;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.05) 0%, transparent 100%);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: linear-gradient(135deg, rgba(31, 161, 255, 0.1) 0%, rgba(31, 161, 255, 0.02) 100%);
  transform: translateX(5px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  color: #1fa1ff;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31, 161, 255, 0.1);
  border-radius: 12px;
  padding: 8px;
}

.contact-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-label {
  font-size: 1rem;
  color: #666;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.contact-value {
  font-size: 1.25rem;
  color: #1a1a1a;
  font-weight: 600;
}

.contact-form {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(31, 161, 255, 0.1);
}

.contact-form h3 {
  font-size: 1.5rem;
  color: #1fa1ff;
  margin-bottom: 2rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(31, 161, 255, 0.2);
  border-radius: 12px;
  font-size: 1rem;
  background: rgba(31, 161, 255, 0.03);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: #1fa1ff;
  box-shadow: 0 0 20px rgba(31, 161, 255, 0.15);
}

.form-textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(31, 161, 255, 0.2);
  border-radius: 12px;
  font-size: 1rem;
  background: rgba(31, 161, 255, 0.03);
  resize: vertical;
  transition: all 0.3s ease;
}

.form-textarea:focus {
  outline: none;
  border-color: #1fa1ff;
  box-shadow: 0 0 20px rgba(31, 161, 255, 0.15);
}

.form-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(31, 161, 255, 0.4);
}

/* 联系地图 */
.contact-map {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(31, 161, 255, 0.1);
  border: 1px solid rgba(31, 161, 255, 0.1);
}

.contact-map h3 {
  font-size: 1.5rem;
  color: #1fa1ff;
  margin-bottom: 1.5rem;
  text-align: center;
  font-weight: bold;
}

.map-container {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: 
    linear-gradient(135deg, rgba(31, 161, 255, 0.05) 0%, rgba(0, 113, 193, 0.08) 100%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 20px,
      rgba(31, 161, 255, 0.03) 20px,
      rgba(31, 161, 255, 0.03) 21px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 20px,
      rgba(31, 161, 255, 0.03) 20px,
      rgba(31, 161, 255, 0.03) 21px
    );
  border: 1px solid rgba(31, 161, 255, 0.15);
  min-height: 300px;
}

.map-placeholder {
  position: relative;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  min-height: 300px;
  background: linear-gradient(180deg, rgba(31, 161, 255, 0.03) 0%, rgba(0, 255, 136, 0.02) 100%);
  z-index: 1;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(31, 161, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.map-address {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  border: 1px solid rgba(31, 161, 255, 0.1);
  box-shadow: 0 4px 20px rgba(31, 161, 255, 0.08);
}

.map-icon {
  width: 50px;
  height: 50px;
  color: #1fa1ff;
  flex-shrink: 0;
  background: rgba(31, 161, 255, 0.1);
  border-radius: 12px;
  padding: 10px;
}

.address-text {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.company-name {
  font-size: 1.1rem;
  font-weight: bold;
  color: #1a1a2e;
  margin: 0;
}

.company-address {
  font-size: 0.95rem;
  color: #666;
  margin: 0;
  line-height: 1.5;
}

.navigation-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(31, 161, 255, 0.3);
}

.navigation-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(31, 161, 255, 0.4);
}

.nav-icon {
  width: 24px;
  height: 24px;
}

.map-info {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(31, 161, 255, 0.03);
  border-radius: 10px;
  text-align: center;
}

.map-info p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  color: #666;
}

/* 页脚 */
.footer {
  background: linear-gradient(135deg, #000a16 0%, #001a33 50%, #000f20 100%);
  color: #fff;
  padding: 5rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(31, 161, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
  z-index: 1;
}

.footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(31, 161, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 161, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 2;
}

.footer-info {
  text-align: left;
}

.footer-logo {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1fa1ff;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #1fa1ff 0%, #94d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  color: #94d4ff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-desc {
  color: #999;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-links-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  color: #1fa1ff;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 1rem;
}

.footer-link {
  color: #94d4ff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem;
  position: relative;
  padding-left: 1.5rem;
}

.footer-link::before {
  content: '→';
  position: absolute;
  left: 0;
  color: #1fa1ff;
  transition: transform 0.3s ease;
}

.footer-link:hover {
  color: #fff;
  transform: translateX(5px);
}

.footer-link:hover::before {
  transform: translateX(5px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #94d4ff;
  font-size: 0.95rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: #1fa1ff;
}

.footer-bottom {
  text-align: center;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(31, 161, 255, 0.3);
  color: #94d4ff;
  font-size: 0.9rem;
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links-bottom {
  display: flex;
  gap: 2rem;
}

.footer-link-small {
  color: #94d4ff;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-link-small:hover {
  color: #fff;
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  background: linear-gradient(135deg, #1fa1ff 0%, #0071c1 100%);
  color: #fff;
  border: 2px solid rgba(31, 161, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.8rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow:
    0 6px 30px rgba(31, 161, 255, 0.4),
    inset 0 0 20px rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  animation: fadeInUp 0.5s ease;
}

.back-to-top:hover {
  transform: translateY(-8px) scale(1.15);
  box-shadow:
    0 0 20px rgba(31, 161, 255, 0.6),
    0 0 40px rgba(31, 161, 255, 0.4);
}

/* 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.3rem;
  }

  .hero-info {
    gap: 2rem;
  }

  .hero-year,
  .hero-stat {
    font-size: 2rem;
  }

  .intro-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .intro-visual {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .intro-card {
    flex: 1;
    min-width: 280px;
  }

  .intro-features {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-main {
    grid-column: span 1;
    flex-direction: column;
  }

  .architecture-diagram {
    padding: 1.5rem;
  }

  .tech-comparison {
    padding: 1rem;
    overflow-x: auto;
  }

  .comparison-table {
    min-width: 600px;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .comparison-cell {
    padding: 0.6rem;
    font-size: 0.9rem;
  }

  .layer-content {
    gap: 1rem;
  }

  .node {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }

  .performance-metrics {
    gap: 2rem;
  }

  .summary-box {
    flex-direction: column;
    padding: 1.5rem 2rem;
    text-align: center;
  }

  .summary-icon {
    width: 50px;
    height: 50px;
  }

  .summary-content h4 {
    font-size: 1.2rem;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .case-card {
    padding: 1.5rem;
  }

  .showcase-item {
    flex-direction: column !important;
    text-align: center;
  }

  .showcase-illustration {
    width: 120px;
    height: 100px;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-info {
    padding: 1.5rem;
    max-width: 100%;
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
  }

  .contact-text {
    align-items: center;
  }

  .contact-map {
    padding: 1.5rem;
  }

  .map-placeholder {
    padding: 1.5rem;
    min-height: 250px;
  }

  .map-address {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .navigation-btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .map-info {
    padding: 0.8rem;
  }

  .map-info p {
    font-size: 0.85rem;
    margin: 0.3rem 0;
  }

  .map-icon {
    width: 40px;
    height: 40px;
  }

  .company-name {
    font-size: 1rem;
  }

  .company-address {
    font-size: 0.85rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    width: 100%;
    text-align: center;
    transition: 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 3rem 0;
    gap: 2rem;
  }

  .nav-menu.active {
    left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-btn {
    width: 200px;
    text-align: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .intro-text-wrapper {
    padding: 2rem;
  }

  .products-grid {
    gap: 2rem;
  }

  .product-features {
    grid-template-columns: 1fr;
  }

  .value-cards {
    gap: 1.5rem;
  }

  .cases-grid {
    gap: 1.5rem;
  }

  .service-cards {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-form {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .intro-text-wrapper {
    padding: 1.5rem;
  }
}